EP3872995A4 - DEVICE AND METHOD FOR METASTATABLE STATE DETECTION AND CAN CIRCUIT - Google Patents

DEVICE AND METHOD FOR METASTATABLE STATE DETECTION AND CAN CIRCUIT Download PDF

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Publication number
EP3872995A4
EP3872995A4 EP20859675.9A EP20859675A EP3872995A4 EP 3872995 A4 EP3872995 A4 EP 3872995A4 EP 20859675 A EP20859675 A EP 20859675A EP 3872995 A4 EP3872995 A4 EP 3872995A4
Authority
EP
European Patent Office
Prior art keywords
metastatable
circuit
state detection
detection
state
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP20859675.9A
Other languages
German (de)
French (fr)
Other versions
EP3872995A1 (en
Inventor
Bo Yan
Junzhou LUO
Yue Wang
Tiejun Wang
Weisen Li
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rigol Technologies Co Ltd
Original Assignee
Rigol Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rigol Technologies Co Ltd filed Critical Rigol Technologies Co Ltd
Publication of EP3872995A1 publication Critical patent/EP3872995A1/en
Publication of EP3872995A4 publication Critical patent/EP3872995A4/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/06—Continuously compensating for, or preventing, undesired influence of physical parameters
    • H03M1/08—Continuously compensating for, or preventing, undesired influence of physical parameters of noise
    • H03M1/0863—Continuously compensating for, or preventing, undesired influence of physical parameters of noise of switching transients, e.g. glitches
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/10—Calibration or testing
    • H03M1/1071—Measuring or testing
    • H03M1/1076—Detection or location of converter hardware failure, e.g. power supply failure, open or short circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H03L7/081—Details of the phase-locked loop provided with an additional controlled phase shifter
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/10—Calibration or testing
    • H03M1/1009—Calibration
    • H03M1/1014—Calibration at one point of the transfer characteristic, i.e. by adjusting a single reference value, e.g. bias or gain error
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/34—Analogue value compared with reference values
    • H03M1/38—Analogue value compared with reference values sequentially only, e.g. successive approximation type
    • H03M1/46—Analogue value compared with reference values sequentially only, e.g. successive approximation type with digital/analogue converter for supplying reference values to converter
    • H03M1/462—Details of the control circuitry, e.g. of the successive approximation register
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Pulse Circuits (AREA)
  • Manipulation Of Pulses (AREA)
EP20859675.9A 2019-12-26 2020-05-09 DEVICE AND METHOD FOR METASTATABLE STATE DETECTION AND CAN CIRCUIT Pending EP3872995A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201911366573.5A CN111262583B (en) 2019-12-26 2019-12-26 Metastable state detection device and method and ADC circuit
PCT/CN2020/089478 WO2021128701A1 (en) 2019-12-26 2020-05-09 Metastable state detection device and method, and adc circuit

Publications (2)

Publication Number Publication Date
EP3872995A1 EP3872995A1 (en) 2021-09-01
EP3872995A4 true EP3872995A4 (en) 2022-08-31

Family

ID=70948521

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20859675.9A Pending EP3872995A4 (en) 2019-12-26 2020-05-09 DEVICE AND METHOD FOR METASTATABLE STATE DETECTION AND CAN CIRCUIT

Country Status (5)

Country Link
US (1) US11451236B2 (en)
EP (1) EP3872995A4 (en)
JP (1) JP7214855B2 (en)
CN (1) CN111262583B (en)
WO (1) WO2021128701A1 (en)

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* Cited by examiner, † Cited by third party
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CN112332834B (en) * 2021-01-04 2021-04-13 南京芯视界微电子科技有限公司 Correction method and device for avoiding metastable state of time-to-digital converter of laser radar
CN121091960A (en) * 2024-06-06 2025-12-09 普源精电科技股份有限公司 Clock synchronization system
CN118590067B (en) * 2024-08-08 2024-11-08 合肥健天电子有限公司 Analog-to-digital interface sampling circuit and sampling method
CN119603107B (en) * 2025-01-24 2025-04-18 四川天邑康和通信股份有限公司 Downsampling method and device of low-voltage differential signal, electronic equipment and storage medium

Citations (1)

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Publication number Priority date Publication date Assignee Title
US5122694A (en) * 1990-12-26 1992-06-16 Tektronix, Inc. Method and electrical circuit for eliminating time jitter caused by metastable conditions in asynchronous logic circuits

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US7430141B2 (en) * 2004-11-16 2008-09-30 Texas Instruments Incorporated Method and apparatus for memory data deskewing
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TWI448081B (en) * 2012-01-20 2014-08-01 Nat Univ Chung Cheng All-digital clock correction circuit and method thereof
US9020084B2 (en) * 2013-01-31 2015-04-28 Qualcomm Incorporated High frequency synchronizer
US8872691B1 (en) * 2013-05-03 2014-10-28 Keysight Technologies, Inc. Metastability detection and correction in analog to digital converter
US8957802B1 (en) * 2013-09-13 2015-02-17 Cadence Design Systems, Inc. Metastability error detection and correction system and method for successive approximation analog-to-digital converters
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Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5122694A (en) * 1990-12-26 1992-06-16 Tektronix, Inc. Method and electrical circuit for eliminating time jitter caused by metastable conditions in asynchronous logic circuits

Also Published As

Publication number Publication date
JP2022517895A (en) 2022-03-11
CN111262583B (en) 2021-01-29
EP3872995A1 (en) 2021-09-01
CN111262583A (en) 2020-06-09
JP7214855B2 (en) 2023-01-30
US11451236B2 (en) 2022-09-20
WO2021128701A1 (en) 2021-07-01
US20220109450A1 (en) 2022-04-07

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